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CVE-2023-4397

Published: Nov 28, 2023Updated: Nov 21, 2024 Sources: CVE List NVD BDUCWE-120
NVD MITRE
4.4CVSSMEDIUM
EPSS Score
0.2%
Top 86.1%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available

Description

A buffer overflow vulnerability in the Zyxel ATP series firmware version 5.37, USG FLEX series firmware version 5.37, USG FLEX 50(W) series firmware version 5.37, and USG20(W)-VPN series firmware version 5.37, could allow an authenticated local attacker with administrator privileges to cause denial-of-service (DoS) conditions by executing the CLI command with crafted strings on an affected device.

CVSS Vector Breakdown

AV:LAC:LPR:HUI:NS:UC:NI:NA:H
Exploitability
AV:LAttack Vector
Local
AC:LAttack Complexity
Low
PR:HPrivileges Required
High
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:NConfidentiality
None
I:NIntegrity
None
A:HAvailability
High
Open in CVSS calculator →

Weaknesses

CWE-120

Affected Products

ATP series firmwareZyxelNetworking Infrastructure
USG FLEX series firmwareZyxelNetworking Infrastructure
USG FLEX 50(W) series firmwareZyxelNetworking Infrastructure
USG20(W)-VPN series firmwareZyxelNetworking Infrastructure
ATPZyxel Communications Corp.Networking Infrastructure
zyxelcommercialTWNetworking Infrastructureaka zyxel communications corp.
zyxel communications corp.commercialTWNetworking Infrastructure
and 4 more affected products View all →

Attack Graph

Products CVE Techniques Tactics

Click technique nodes to view MITRE ATT&CK details. Scroll to zoom, drag to pan.

Exploitability

Official Patch Available

MITRE ATT&CK

2 techniques
Initial Access
Privilege Escalation
View detailed technique mapping

References

https://www.zyxel.com/global/en/support/security-advisories/zyxel-security-advisory-for-multiple-vulnerabilities-in-firewalls-and-aps
zyxel.com
https://www.zyxel.com/global/en/support/security-advisories/zyxel-security-advisory-for-multiple-vulnerabilities-in-firewalls-and-aps
zyxel.com
https://vuldb.com/?id.246233
vuldb.com

Timeline

Published
Nov 28, 2023
Last Updated
Nov 21, 2024

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